A very interesting exhaust system manufactured by Laser showed up recently on a Netherlands-based website as they parted out a PC800. A PCer in The Netherlands bought the parts and has installed them on his PC. I’ve collected what information I can about this exhaust. If you know anything else about it, please get in touch with me.

Based on the photos from the parts dealer, this exhaust fits into the same location as the stock PC800 exhaust. The muffler is in the stock location (no second muffler on the opposite side).

Here is the part number on the stainless steel exhaust. It seems to say:
LASER

BSAU 193 T2
e4 89/235-890
31.1073.9

Here is a still from a short video of the exhaust system in place on the bike. You can see it bolts to the stock location. Video is below. You can hear a short clip of it revving.

The most interesting thing to me is this exhaust collector/resonator. It looks like a piece of art.

The muffler has the appropriate mounting tab to mount to the stock exhaust location on the PC.

This is a collection of photos of the two exhaust headers that sold with the rest of the exhaust parts from the PC that the parts dealer parted out. I’m not sure if these are special or different from what comes stock on a PC or if they’re the factory exhaust headers. My guess is they’re probably stock and not special.

Here is the sales literature for the exhaust. It’s from Jama Originals. Over the stock bike, the exhaust does slightly improve performance on the dyno according to this graphic.

Here is a photo of most of the parts that came out of the collection of exhaust parts that the bike breaker sold to the PCer in The Netherlands.

The OEM part numbers involved are as follows. I am not sure of the part numbers from the aftermarket company other than what’s written above.

18231MR5000 – for muffler

18320MR5003 – exhaust pipe

18392MK4000 – exhaust pipe

18320MR5003 – exhaust pipe part 2

18300MR5870 – exhaust silencer

UPDATE!

A Laser exhaust recently (July 2021) was posted for sale on a Dutch website. I grabbed a few photos of it and have added them below.

SECOND UPDATE!

PCer Dolf V bought the Lazer exhaust and attempted fitting it to his bike. He found it more onerous to fit than he felt it should be so he found a stock PC800 exhaust and put it on his bike instead. Dolf V sent the below photos to me to include with the above information on this Lazer exhaust. Some of the photos are duplicates of photos above and some are new.

Roger from the UK recently wrote me about a stainless steel exhaust system for the Honda Pacific Coast PC800 motorcycle. This is the first time that I’ve seen a stainless steel full exhaust for our bikes. I am sharing some of the information that Roger sent over in case this helps anyone looking for a different exhaust for our wonderful bikes. Roger writes:

PLUS SIDES:
– It won’t rot, it’s easy to fit and it looks neat.
– You can buy the front lower pipe separately. This uses the o.e. sleeve gasket at the collector box, but not at the joint with the header pipe.
– It has a 10 year warranty.
DOWNSIDES:
– It doesn’t use the o.e. ‘sleeve’ gaskets, just jointing paste.
– The system isn’t balanced – it is two separate pipes and mufflers (which isn’t so important on a softly tuned engine?)
– The R/H mounting bracket requires a 15mm thick spacer in order to use the twin lobes of the original mount on the frame. The system is not rubber mounted like the original.
– To remove rear axle the r/h can has to be swung downwards (remove mount bolt – which is accessible- & slacken joint clamp). Doing this obviously breaks the paste seal on the pipe joint.
– If you want silence than you MUST specify ‘California Spec’ baffles. They’ve sold over 50 sets to date and I’m the first one to complain.

Since they’re going to cut mine open and replace the baffles I asked if they could (at extra expense) weld in a ‘cutaway’ in the r/h can to enable axle withdrawal without having to ‘drop’ it. I’ve no idea whether this is feasible. They obviously have a standard can to which they add brackets and pipes to suit.
Roger from the UK

Predator Motorsports in the UK sells the stainless steel exhaust system. If you’re ordering it, be sure to ask for what Roger asked for — the “California” silent model which has extra baffles to quiet the exhaust down.

When you go to their website, use the search tool and type in “PC800 exhaust” to get the right parts. You will probably want to email with the company to make sure that you get the quiet version — it’s not what comes default from their factory.

One note that Roger really wants to emphasize is:

My complaint [is] regarding the noisy standard baffles – […] their standard baffles are obviously less restrictive than the ‘California spec’ in that apart from the noise element, the tick-over increases by 300/400 rpm – the only adjustment necessary.
Roger from the UK

If you are planning to buy this exhaust system, be sure to think carefully about how loud you want your pipes and talk to the manufacturer before you place your order to get pipes that are the right volume and level of restriction for your ride.

Tag: Exhaust

Laser Exhaust for the Honda Pacific Coast PC800

UPDATE!

SECOND UPDATE!

Stainless Steel Exhaust Option for the PC800 Motorcycle